Countersunk washer



FIG. 1 is a top plan view of the countersunk washer.

FIG. 2 is a perspective view of the countersunk washer shown in FIG. 1.

FIG. 3 is a side elevational view of the countersunk washer shown in FIG. 1, which is symmetrical about a vertical axis thereof; and,

FIG. 4 is a bottom plan view of the countersunk washer shown in FIG. 1. 

The ornamental design for a countersunk washer, as shown and described. 